mysql> describe konline;
+--------+------------------+------+-----+---------+-------+
| Field  | Type             | Null | Key | Default | Extra |
+--------+------------------+------+-----+---------+-------+
| sid    | varchar(50)      | NO   | PRI |         |       |
| uid    | int(11)          | YES  | UNI | NULL    |       |
| cc     | varchar(3)       | NO   |     |         |       |
| vreme  | int(10) unsigned | NO   |     |         |       |
| strana | varchar(15)      | NO   |     |         |       |
| ipadr  | varchar(15)      | NO   |     |         |       |
| uagent | char(90)         | YES  |     | NULL    |       |
+--------+------------------+------+-----+---------+-------+
7 rows in set (0.06 sec)

LOG:

# Query_time: 5  Lock_time: 0  Rows_sent: 0  Rows_examined: 0
SET timestamp=1204052459;
update konline set vreme = unix_timestamp() where sid = 'qnkp6m9i57o759egmm49p8eb10';
# User@Host: sql_wbrod[sql_wbrod] @ localhost []
# Query_time: 3  Lock_time: 0  Rows_sent: 0  Rows_examined: 0
SET timestamp=1204052459;
update konline set vreme = unix_timestamp() where sid = 'aku43lpcnv5ck9hrm09fefi8h4';
# User@Host: sql_wbrod[sql_wbrod] @ localhost []
# Query_time: 3  Lock_time: 0  Rows_sent: 0  Rows_examined: 0
SET timestamp=1204052459;
update konline set vreme = UNIX_TIMESTAMP(), strana = 'index' where sid = 'e2o913t58u112jig1ef81p4541';
# User@Host: sql_wbrod[sql_wbrod] @ localhost []
# Query_time: 2  Lock_time: 0  Rows_sent: 0  Rows_examined: 0
SET timestamp=1204052459;
update konline set vreme = unix_timestamp() where sid = 'okapkpkc3lnkabgnrokgr80tt1';